Emission of radiation by a resonance medium excited with a variable superluminal velocity

R. M. Arkhipov, A. V. Pakhomov

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1 Scopus citations

Abstract

Specific properties of the radiation emitted by a spatially modulated resonance medium excited by an ultrashort light pulse propagating through the medium at a variable superluminal velocity are analyzed. In so doing, frequencies different from that of the resonance transition of the medium may appear in the emission spectrum. It is demonstrated that, in contrast to an earlier studied case of medium excitation at constant velocity, variation of the excitation velocity leads to generation of a spectral continuum, the boundaries of which are determined by the range of variation of the medium-excitation velocity.

Translated title of the contributionИЗЛУЧЕНИЕ НЕОДНОРОДНОЙ РЕЗОНАНСНОЙ СРЕДЫ, ВОЗБУЖДАЕМОЙ С ПЕРЕМЕННОЙ СВЕРХСВЕТОВОЙ СКОРОСТЬЮ
Original languageEnglish
Pages (from-to)768-773
Number of pages6
JournalOptics and Spectroscopy (English translation of Optika i Spektroskopiya)
Volume122
Issue number5
DOIs
StatePublished - 1 May 2017

Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

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